prakharjain09 commented on a change in pull request #30300:
URL: https://github.com/apache/spark/pull/30300#discussion_r521211796
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/AliasAwareOutputExpression.scala
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@@ -25,20 +25,14 @@ import
org.apache.spark.sql.catalyst.plans.physical.{HashPartitioning, Partition
trait AliasAwareOutputExpression extends UnaryExecNode {
protected def outputExpressions: Seq[NamedExpression]
- protected def hasAlias: Boolean = outputExpressions.collectFirst { case _:
Alias => }.isDefined
+ lazy val aliasMap = AttributeMap(outputExpressions.collect {
Review comment:
> Also, could you use AliasHelper?
Covered in other comment.
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